{
  "type": "minecraft:crafting_shaped",
  "category": "misc",
  "key": {
    "G": {
      "tag": "forge:glass"
    },
    "M": {
      "item": "minecraft:obsidian"
    }
  },
  "pattern": [
    "MMM",
    "MGM",
    "MMM"
  ],
  "result": {
    "item": "ironchest:diamond_to_obsidian_chest_upgrade"
  },
  "show_notification": true
}